An involuntary reoccurrence of perceptual distortions can occur weeks or months after taking a particular drug. The phenomenon is called ________; the drug is called ________

There is plenty of research that shows a relationship between stress levels and heart-damaging symptoms, such as high blood pressure and enlargement of the heart. It is possible, however, that some third factor may be responsible for both increases in stress as well as increases in heart-related symptoms. This fact utilizes which critical thinking concept?

A) Occam's Razor B) Falsifiability C) Replicability D) Correlation versus causation

Which of the following has research found hypnosis to be very effective at treating?

a. reducing cigarette use b. obesity c. reducing drug use d. reducing alcohol use